Haofa Crystal Case Skeleton Tourbillon GMT Watch 2101

Product Description

Movement: Flying Tourbillon 
Movement model: CAL.3H31
Power reserve: 42 (hours)
Vibration frequency: 28800 (times/hour)
Drive: single spring
Winding method: manual winding
Case diameter: 30-45mm
Case thickness: 13.9mm
Strap width: 20-26mm
Total length of the watch: 53mm 
Strap material: transparent tape
Water resistance: 20 meters
Waterproof mirror: artificial sapphire mirror
Bottom: steel bottom

Bezel: Crystal colorful stone bezel
Case: Transparent crystal glass case